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[2] Among insects, the rostrum is the name for the piercing mouthparts of the order Hemiptera as well as those of the snow scorpionflies, among many others. The long snout of weevils is also called a rostrum. [3] Gastropod molluscs have a rostrum or proboscis. [4] Cephalopod molluscs have hard beak-like mouthparts referred to as the rostrum. [5]
For example, to describe the human brain, "rostral" still means "towards the beak or snout (Latin rostrum)", or at any rate, the interior of the cranial cavity just behind the face. "Caudal" means "towards the tail (Latin cauda "), but not "towards the back of the cranial cavity", which is "posterior" (behind, in ordinary motion).
Download as PDF; Printable version; In other projects Wikidata item; ... Rostral (anatomical term), situated toward the oral or nasal region; Rostral bone, ...
In the anatomy of the brain of vertebrates, the forebrain or prosencephalon is the rostral (forward-most) portion of the brain.The forebrain controls body temperature, reproductive functions, eating, sleeping, and the display of emotions.
Examples include: Abrotanella rostrata is a species of cushion plant in the family Asteraceae whose white florets produce distinctively beaked cypselae (fruiting bodies). Bembix rostrata is a species of sand wasp native to Central Europe whose labrum is extended into a narrow beak.
The fastigial nuclei is situated atop the roof of the fourth ventricle (thence its name: "fastigus" is Latin for "summit"). [1]The fastigial nucleus is a mass of gray matter nearest to the middle line at the anterior end of the superior vermis, immediately over the roof of the fourth ventricle (the peak of which is called the fastigium), from which it is separated by a thin layer of white matter.
The rostral organ of the coelacanth or similar in many other fish such as Anchovy is a large gel-filled cavity in the snout, with three pairs of canals to the outside. [ 1 ] It is surrounded by an insulating layer of adipose tissue and innervated by the superficial ophthalmic nerve .
Brodmann area 12 is a subdivision of the cerebral cortex of the guenon defined on the basis of cytoarchitecture. [1] [2] It occupies the most rostral portion of the frontal lobe.